The crossword solution for the term 'Regulations' Partner' is 'RULES' (5 letters). RULES are a set of regulations or instructions that are established in order to control or govern behavior. They are often used to provide guidance and structure in various areas such as business, education, and law. RULES are typically enforced by a governing body or authority and can be enforced through punishments or rewards. RULES are an important part of any society and help to ensure that everyone is treated fairly and equally.